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9#include <common.h>
10#include <dm.h>
11#include <usb.h>
12#include <net.h>
13#include <linux/mii.h>
14#include "usb_ether.h"
15#include <malloc.h>
16#include <memalign.h>
17#include <errno.h>
18
19
20#define AX88179_PHY_ID 0x03
21#define AX_EEPROM_LEN 0x100
22#define AX88179_EEPROM_MAGIC 0x17900b95
23#define AX_MCAST_FLTSIZE 8
24#define AX_MAX_MCAST 64
25#define AX_INT_PPLS_LINK (1 << 16)
26#define AX_RXHDR_L4_TYPE_MASK 0x1c
27#define AX_RXHDR_L4_TYPE_UDP 4
28#define AX_RXHDR_L4_TYPE_TCP 16
29#define AX_RXHDR_L3CSUM_ERR 2
30#define AX_RXHDR_L4CSUM_ERR 1
31#define AX_RXHDR_CRC_ERR (1 << 29)
32#define AX_RXHDR_DROP_ERR (1 << 31)
33#define AX_ENDPOINT_INT 0x01
34#define AX_ENDPOINT_IN 0x02
35#define AX_ENDPOINT_OUT 0x03
36#define AX_ACCESS_MAC 0x01
37#define AX_ACCESS_PHY 0x02
38#define AX_ACCESS_EEPROM 0x04
39#define AX_ACCESS_EFUS 0x05
40#define AX_PAUSE_WATERLVL_HIGH 0x54
41#define AX_PAUSE_WATERLVL_LOW 0x55
42
43#define PHYSICAL_LINK_STATUS 0x02
44 #define AX_USB_SS (1 << 2)
45 #define AX_USB_HS (1 << 1)
46
47#define GENERAL_STATUS 0x03
48 #define AX_SECLD (1 << 2)
49
50#define AX_SROM_ADDR 0x07
51#define AX_SROM_CMD 0x0a
52 #define EEP_RD (1 << 2)
53 #define EEP_BUSY (1 << 4)
54
55#define AX_SROM_DATA_LOW 0x08
56#define AX_SROM_DATA_HIGH 0x09
57
58#define AX_RX_CTL 0x0b
59 #define AX_RX_CTL_DROPCRCERR (1 << 8)
60 #define AX_RX_CTL_IPE (1 << 9)
61 #define AX_RX_CTL_START (1 << 7)
62 #define AX_RX_CTL_AP (1 << 5)
63 #define AX_RX_CTL_AM (1 << 4)
64 #define AX_RX_CTL_AB (1 << 3)
65 #define AX_RX_CTL_AMALL (1 << 1)
66 #define AX_RX_CTL_PRO (1 << 0)
67 #define AX_RX_CTL_STOP 0
68
69#define AX_NODE_ID 0x10
70#define AX_MULFLTARY 0x16
71
72#define AX_MEDIUM_STATUS_MODE 0x22
73 #define AX_MEDIUM_GIGAMODE (1 << 0)
74 #define AX_MEDIUM_FULL_DUPLEX (1 << 1)
75 #define AX_MEDIUM_EN_125MHZ (1 << 3)
76 #define AX_MEDIUM_RXFLOW_CTRLEN (1 << 4)
77 #define AX_MEDIUM_TXFLOW_CTRLEN (1 << 5)
78 #define AX_MEDIUM_RECEIVE_EN (1 << 8)
79 #define AX_MEDIUM_PS (1 << 9)
80 #define AX_MEDIUM_JUMBO_EN 0x8040
81
82#define AX_MONITOR_MOD 0x24
83 #define AX_MONITOR_MODE_RWLC (1 << 1)
84 #define AX_MONITOR_MODE_RWMP (1 << 2)
85 #define AX_MONITOR_MODE_PMEPOL (1 << 5)
86 #define AX_MONITOR_MODE_PMETYPE (1 << 6)
87
88#define AX_GPIO_CTRL 0x25
89 #define AX_GPIO_CTRL_GPIO3EN (1 << 7)
90 #define AX_GPIO_CTRL_GPIO2EN (1 << 6)
91 #define AX_GPIO_CTRL_GPIO1EN (1 << 5)
92
93#define AX_PHYPWR_RSTCTL 0x26
94 #define AX_PHYPWR_RSTCTL_BZ (1 << 4)
95 #define AX_PHYPWR_RSTCTL_IPRL (1 << 5)
96 #define AX_PHYPWR_RSTCTL_AT (1 << 12)
97
98#define AX_RX_BULKIN_QCTRL 0x2e
99#define AX_CLK_SELECT 0x33
100 #define AX_CLK_SELECT_BCS (1 << 0)
101 #define AX_CLK_SELECT_ACS (1 << 1)
102 #define AX_CLK_SELECT_ULR (1 << 3)
103
104#define AX_RXCOE_CTL 0x34
105 #define AX_RXCOE_IP (1 << 0)
106 #define AX_RXCOE_TCP (1 << 1)
107 #define AX_RXCOE_UDP (1 << 2)
108 #define AX_RXCOE_TCPV6 (1 << 5)
109 #define AX_RXCOE_UDPV6 (1 << 6)
110
111#define AX_TXCOE_CTL 0x35
112 #define AX_TXCOE_IP (1 << 0)
113 #define AX_TXCOE_TCP (1 << 1)
114 #define AX_TXCOE_UDP (1 << 2)
115 #define AX_TXCOE_TCPV6 (1 << 5)
116 #define AX_TXCOE_UDPV6 (1 << 6)
117
118#define AX_LEDCTRL 0x73
119
120#define GMII_PHY_PHYSR 0x11
121 #define GMII_PHY_PHYSR_SMASK 0xc000
122 #define GMII_PHY_PHYSR_GIGA (1 << 15)
123 #define GMII_PHY_PHYSR_100 (1 << 14)
124 #define GMII_PHY_PHYSR_FULL (1 << 13)
125 #define GMII_PHY_PHYSR_LINK (1 << 10)
126
127#define GMII_LED_ACT 0x1a
128 #define GMII_LED_ACTIVE_MASK 0xff8f
129 #define GMII_LED0_ACTIVE (1 << 4)
130 #define GMII_LED1_ACTIVE (1 << 5)
131 #define GMII_LED2_ACTIVE (1 << 6)
132
133#define GMII_LED_LINK 0x1c
134 #define GMII_LED_LINK_MASK 0xf888
135 #define GMII_LED0_LINK_10 (1 << 0)
136 #define GMII_LED0_LINK_100 (1 << 1)
137 #define GMII_LED0_LINK_1000 (1 << 2)
138 #define GMII_LED1_LINK_10 (1 << 4)
139 #define GMII_LED1_LINK_100 (1 << 5)
140 #define GMII_LED1_LINK_1000 (1 << 6)
141 #define GMII_LED2_LINK_10 (1 << 8)
142 #define GMII_LED2_LINK_100 (1 << 9)
143 #define GMII_LED2_LINK_1000 (1 << 10)
144 #define LED0_ACTIVE (1 << 0)
145 #define LED0_LINK_10 (1 << 1)
146 #define LED0_LINK_100 (1 << 2)
147 #define LED0_LINK_1000 (1 << 3)
148 #define LED0_FD (1 << 4)
149 #define LED0_USB3_MASK 0x001f
150 #define LED1_ACTIVE (1 << 5)
151 #define LED1_LINK_10 (1 << 6)
152 #define LED1_LINK_100 (1 << 7)
153 #define LED1_LINK_1000 (1 << 8)
154 #define LED1_FD (1 << 9)
155 #define LED1_USB3_MASK 0x03e0
156 #define LED2_ACTIVE (1 << 10)
157 #define LED2_LINK_1000 (1 << 13)
158 #define LED2_LINK_100 (1 << 12)
159 #define LED2_LINK_10 (1 << 11)
160 #define LED2_FD (1 << 14)
161 #define LED_VALID (1 << 15)
162 #define LED2_USB3_MASK 0x7c00
163
164#define GMII_PHYPAGE 0x1e
165#define GMII_PHY_PAGE_SELECT 0x1f
166 #define GMII_PHY_PGSEL_EXT 0x0007
167 #define GMII_PHY_PGSEL_PAGE0 0x0000
168
169
170#define ASIX_BASE_NAME "axg"
171#define USB_CTRL_SET_TIMEOUT 5000
172#define USB_CTRL_GET_TIMEOUT 5000
173#define USB_BULK_SEND_TIMEOUT 5000
174#define USB_BULK_RECV_TIMEOUT 5000
175
176#define AX_RX_URB_SIZE 1024 * 0x12
177#define BLK_FRAME_SIZE 0x200
178#define PHY_CONNECT_TIMEOUT 5000
179
180#define TIMEOUT_RESOLUTION 50
181
182#define FLAG_NONE 0
183#define FLAG_TYPE_AX88179 (1U << 0)
184#define FLAG_TYPE_AX88178a (1U << 1)
185#define FLAG_TYPE_DLINK_DUB1312 (1U << 2)
186#define FLAG_TYPE_SITECOM (1U << 3)
187#define FLAG_TYPE_SAMSUNG (1U << 4)
188#define FLAG_TYPE_LENOVO (1U << 5)
189#define FLAG_TYPE_GX3 (1U << 6)
190
191
192static const struct {
193 unsigned char ctrl, timer_l, timer_h, size, ifg;
194} AX88179_BULKIN_SIZE[] = {
195 {7, 0x4f, 0, 0x02, 0xff},
196 {7, 0x20, 3, 0x03, 0xff},
197 {7, 0xae, 7, 0x04, 0xff},
198 {7, 0xcc, 0x4c, 0x04, 8},
199};
200
201#ifndef CONFIG_DM_ETH
202static int curr_eth_dev;
203#endif
204
205
206struct asix_private {
207#ifdef CONFIG_DM_ETH
208 struct ueth_data ueth;
209 unsigned pkt_cnt;
210 uint8_t *pkt_data;
211 uint32_t *pkt_hdr;
212#endif
213 int flags;
214 int rx_urb_size;
215 int maxpacketsize;
216};
217
218
219
220
221static int asix_write_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
222 u16 size, void *data)
223{
224 int len;
225 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
226
227 debug("asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
228 cmd, value, index, size);
229
230 memcpy(buf, data, size);
231
232 len = usb_control_msg(
233 dev->pusb_dev,
234 usb_sndctrlpipe(dev->pusb_dev, 0),
235 cmd,
236 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
237 value,
238 index,
239 buf,
240 size,
241 USB_CTRL_SET_TIMEOUT);
242
243 return len == size ? 0 : ECOMM;
244}
245
246static int asix_read_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
247 u16 size, void *data)
248{
249 int len;
250 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
251
252 debug("asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
253 cmd, value, index, size);
254
255 len = usb_control_msg(
256 dev->pusb_dev,
257 usb_rcvctrlpipe(dev->pusb_dev, 0),
258 cmd,
259 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
260 value,
261 index,
262 buf,
263 size,
264 USB_CTRL_GET_TIMEOUT);
265
266 memcpy(data, buf, size);
267
268 return len == size ? 0 : ECOMM;
269}
270
271static int asix_read_mac(struct ueth_data *dev, uint8_t *enetaddr)
272{
273 int ret;
274
275 ret = asix_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, 6, 6, enetaddr);
276 if (ret < 0)
277 debug("Failed to read MAC address: %02x\n", ret);
278
279 return ret;
280}
281
282static int asix_write_mac(struct ueth_data *dev, uint8_t *enetaddr)
283{
284 int ret;
285
286 ret = asix_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
287 ETH_ALEN, enetaddr);
288 if (ret < 0)
289 debug("Failed to set MAC address: %02x\n", ret);
290
291 return ret;
292}
293
294static int asix_basic_reset(struct ueth_data *dev,
295 struct asix_private *dev_priv)
296{
297 u8 buf[5];
298 u16 *tmp16;
299 u8 *tmp;
300
301 tmp16 = (u16 *)buf;
302 tmp = (u8 *)buf;
303
304
305 *tmp16 = 0;
306 asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
307
308 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
309 asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
310 mdelay(200);
311
312 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
313 asix_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
314 mdelay(200);
315
316
317 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
318 asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
319
320 dev_priv->rx_urb_size = 128 * 20;
321
322
323 *tmp = 0x34;
324 asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
325
326 *tmp = 0x52;
327 asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, 1, 1, tmp);
328
329
330 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
331 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
332 asix_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
333
334 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
335 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
336 asix_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
337
338
339 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
340 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
341 asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
342
343 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
344 AX_MONITOR_MODE_RWMP;
345 asix_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
346
347
348 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
349 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
350 AX_MEDIUM_GIGAMODE | AX_MEDIUM_JUMBO_EN;
351 asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, tmp16);
352
353 u16 adv = 0;
354 adv = ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_LPACK |
355 ADVERTISE_NPAGE | ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP;
356 asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_ADVERTISE, 2, &adv);
357
358 adv = ADVERTISE_1000FULL;
359 asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_CTRL1000, 2, &adv);
360
361 return 0;
362}
363
364static int asix_wait_link(struct ueth_data *dev)
365{
366 int timeout = 0;
367 int link_detected;
368 u8 buf[2];
369 u16 *tmp16;
370
371 tmp16 = (u16 *)buf;
372
373 do {
374 asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
375 MII_BMSR, 2, buf);
376 link_detected = *tmp16 & BMSR_LSTATUS;
377 if (!link_detected) {
378 if (timeout == 0)
379 printf("Waiting for Ethernet connection... ");
380 mdelay(TIMEOUT_RESOLUTION);
381 timeout += TIMEOUT_RESOLUTION;
382 }
383 } while (!link_detected && timeout < PHY_CONNECT_TIMEOUT);
384
385 if (link_detected) {
386 if (timeout > 0)
387 printf("done.\n");
388 return 0;
389 } else {
390 printf("unable to connect.\n");
391 return -ENETUNREACH;
392 }
393}
394
395static int asix_init_common(struct ueth_data *dev,
396 struct asix_private *dev_priv)
397{
398 u8 buf[2], tmp[5], link_sts;
399 u16 *tmp16, mode;
400
401
402 tmp16 = (u16 *)buf;
403
404 debug("** %s()\n", __func__);
405
406
407 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
408 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
409 if (asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16) != 0)
410 goto out_err;
411
412 if (asix_wait_link(dev) != 0) {
413
414 printf("Reset Ethernet Device\n");
415 asix_basic_reset(dev, dev_priv);
416 if (asix_wait_link(dev) != 0)
417 goto out_err;
418 }
419
420
421 mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
422 AX_MEDIUM_RXFLOW_CTRLEN;
423
424 asix_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
425 1, 1, &link_sts);
426
427 asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
428 GMII_PHY_PHYSR, 2, tmp16);
429
430 if (!(*tmp16 & GMII_PHY_PHYSR_LINK)) {
431 return 0;
432 } else if (GMII_PHY_PHYSR_GIGA == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
433 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ |
434 AX_MEDIUM_JUMBO_EN;
435
436 if (link_sts & AX_USB_SS)
437 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
438 else if (link_sts & AX_USB_HS)
439 memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
440 else
441 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
442 } else if (GMII_PHY_PHYSR_100 == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
443 mode |= AX_MEDIUM_PS;
444
445 if (link_sts & (AX_USB_SS | AX_USB_HS))
446 memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
447 else
448 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
449 } else {
450 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
451 }
452
453
454 asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
455
456 dev_priv->rx_urb_size = (1024 * (tmp[3] + 2));
457 if (*tmp16 & GMII_PHY_PHYSR_FULL)
458 mode |= AX_MEDIUM_FULL_DUPLEX;
459 asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
460 2, 2, &mode);
461
462 return 0;
463out_err:
464 return -1;
465}
466
467static int asix_send_common(struct ueth_data *dev,
468 struct asix_private *dev_priv,
469 void *packet, int length)
470{
471 int err;
472 u32 packet_len, tx_hdr2;
473 int actual_len, framesize;
474 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, msg,
475 PKTSIZE + (2 * sizeof(packet_len)));
476
477 debug("** %s(), len %d\n", __func__, length);
478
479 packet_len = length;
480 cpu_to_le32s(&packet_len);
481
482 memcpy(msg, &packet_len, sizeof(packet_len));
483 framesize = dev_priv->maxpacketsize;
484 tx_hdr2 = 0;
485 if (((length + 8) % framesize) == 0)
486 tx_hdr2 |= 0x80008000;
487
488 cpu_to_le32s(&tx_hdr2);
489
490 memcpy(msg + sizeof(packet_len), &tx_hdr2, sizeof(tx_hdr2));
491
492 memcpy(msg + sizeof(packet_len) + sizeof(tx_hdr2),
493 (void *)packet, length);
494
495 err = usb_bulk_msg(dev->pusb_dev,
496 usb_sndbulkpipe(dev->pusb_dev, dev->ep_out),
497 (void *)msg,
498 length + sizeof(packet_len) + sizeof(tx_hdr2),
499 &actual_len,
500 USB_BULK_SEND_TIMEOUT);
501 debug("Tx: len = %zu, actual = %u, err = %d\n",
502 length + sizeof(packet_len), actual_len, err);
503
504 return err;
505}
506
507#ifndef CONFIG_DM_ETH
508
509
510
511static int asix_init(struct eth_device *eth, bd_t *bd)
512{
513 struct ueth_data *dev = (struct ueth_data *)eth->priv;
514 struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
515
516 return asix_init_common(dev, dev_priv);
517}
518
519static int asix_write_hwaddr(struct eth_device *eth)
520{
521 struct ueth_data *dev = (struct ueth_data *)eth->priv;
522
523 return asix_write_mac(dev, eth->enetaddr);
524}
525
526static int asix_send(struct eth_device *eth, void *packet, int length)
527{
528 struct ueth_data *dev = (struct ueth_data *)eth->priv;
529 struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
530
531 return asix_send_common(dev, dev_priv, packet, length);
532}
533
534static int asix_recv(struct eth_device *eth)
535{
536 struct ueth_data *dev = (struct ueth_data *)eth->priv;
537 struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
538
539 u16 frame_pos;
540 int err;
541 int actual_len;
542
543 int pkt_cnt;
544 u32 rx_hdr;
545 u16 hdr_off;
546 u32 *pkt_hdr;
547 ALLOC_CACHE_ALIGN_BUFFER(u8, recv_buf, dev_priv->rx_urb_size);
548
549 actual_len = -1;
550
551 debug("** %s()\n", __func__);
552
553 err = usb_bulk_msg(dev->pusb_dev,
554 usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
555 (void *)recv_buf,
556 dev_priv->rx_urb_size,
557 &actual_len,
558 USB_BULK_RECV_TIMEOUT);
559 debug("Rx: len = %u, actual = %u, err = %d\n", dev_priv->rx_urb_size,
560 actual_len, err);
561
562 if (err != 0) {
563 debug("Rx: failed to receive\n");
564 return -ECOMM;
565 }
566 if (actual_len > dev_priv->rx_urb_size) {
567 debug("Rx: received too many bytes %d\n", actual_len);
568 return -EMSGSIZE;
569 }
570
571
572 rx_hdr = *(u32 *)(recv_buf + actual_len - 4);
573 le32_to_cpus(&rx_hdr);
574
575 pkt_cnt = (u16)rx_hdr;
576 hdr_off = (u16)(rx_hdr >> 16);
577 pkt_hdr = (u32 *)(recv_buf + hdr_off);
578
579
580 frame_pos = 0;
581
582 while (pkt_cnt--) {
583 u16 pkt_len;
584
585 le32_to_cpus(pkt_hdr);
586 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
587
588 frame_pos += 2;
589
590 net_process_received_packet(recv_buf + frame_pos, pkt_len);
591
592 pkt_hdr++;
593 frame_pos += ((pkt_len + 7) & 0xFFF8)-2;
594
595 if (pkt_cnt == 0)
596 return 0;
597 }
598 return err;
599}
600
601static void asix_halt(struct eth_device *eth)
602{
603 debug("** %s()\n", __func__);
604}
605
606
607
608
609void ax88179_eth_before_probe(void)
610{
611 curr_eth_dev = 0;
612}
613
614struct asix_dongle {
615 unsigned short vendor;
616 unsigned short product;
617 int flags;
618};
619
620static const struct asix_dongle asix_dongles[] = {
621 { 0x0b95, 0x1790, FLAG_TYPE_AX88179 },
622 { 0x0b95, 0x178a, FLAG_TYPE_AX88178a },
623 { 0x2001, 0x4a00, FLAG_TYPE_DLINK_DUB1312 },
624 { 0x0df6, 0x0072, FLAG_TYPE_SITECOM },
625 { 0x04e8, 0xa100, FLAG_TYPE_SAMSUNG },
626 { 0x17ef, 0x304b, FLAG_TYPE_LENOVO },
627 { 0x04b4, 0x3610, FLAG_TYPE_GX3 },
628 { 0x0000, 0x0000, FLAG_NONE }
629};
630
631
632int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum,
633 struct ueth_data *ss)
634{
635 struct usb_interface *iface;
636 struct usb_interface_descriptor *iface_desc;
637 struct asix_private *dev_priv;
638 int ep_in_found = 0, ep_out_found = 0;
639 int i;
640
641
642 iface = &dev->config.if_desc[ifnum];
643 iface_desc = &dev->config.if_desc[ifnum].desc;
644
645 for (i = 0; asix_dongles[i].vendor != 0; i++) {
646 if (dev->descriptor.idVendor == asix_dongles[i].vendor &&
647 dev->descriptor.idProduct == asix_dongles[i].product)
648
649 break;
650 }
651
652 if (asix_dongles[i].vendor == 0)
653 return 0;
654
655 memset(ss, 0, sizeof(struct ueth_data));
656
657
658 debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n",
659 dev->descriptor.idVendor, dev->descriptor.idProduct);
660
661
662 ss->ifnum = ifnum;
663 ss->pusb_dev = dev;
664 ss->subclass = iface_desc->bInterfaceSubClass;
665 ss->protocol = iface_desc->bInterfaceProtocol;
666
667
668 ss->dev_priv = calloc(1, sizeof(struct asix_private));
669 if (!ss->dev_priv)
670 return 0;
671 dev_priv = ss->dev_priv;
672 dev_priv->flags = asix_dongles[i].flags;
673
674
675
676
677
678 for (i = 0; i < iface_desc->bNumEndpoints; i++) {
679
680 if ((iface->ep_desc[i].bmAttributes &
681 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
682 ss->ep_int = iface->ep_desc[i].bEndpointAddress &
683 USB_ENDPOINT_NUMBER_MASK;
684 ss->irqinterval = iface->ep_desc[i].bInterval;
685 continue;
686 }
687
688
689 if (!((iface->ep_desc[i].bmAttributes &
690 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
691 continue;
692
693 u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
694 if ((ep_addr & USB_DIR_IN) && !ep_in_found) {
695 ss->ep_in = ep_addr &
696 USB_ENDPOINT_NUMBER_MASK;
697 ep_in_found = 1;
698 }
699 if (!(ep_addr & USB_DIR_IN) && !ep_out_found) {
700 ss->ep_out = ep_addr &
701 USB_ENDPOINT_NUMBER_MASK;
702 dev_priv->maxpacketsize =
703 dev->epmaxpacketout[AX_ENDPOINT_OUT];
704 ep_out_found = 1;
705 }
706 }
707 debug("Endpoints In %d Out %d Int %d\n",
708 ss->ep_in, ss->ep_out, ss->ep_int);
709
710
711 if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
712 !ss->ep_in || !ss->ep_out || !ss->ep_int) {
713 debug("Problems with device\n");
714 return 0;
715 }
716 dev->privptr = (void *)ss;
717 return 1;
718}
719
720int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
721 struct eth_device *eth)
722{
723 struct asix_private *dev_priv = (struct asix_private *)ss->dev_priv;
724
725 if (!eth) {
726 debug("%s: missing parameter.\n", __func__);
727 return 0;
728 }
729 sprintf(eth->name, "%s%d", ASIX_BASE_NAME, curr_eth_dev++);
730 eth->init = asix_init;
731 eth->send = asix_send;
732 eth->recv = asix_recv;
733 eth->halt = asix_halt;
734 eth->write_hwaddr = asix_write_hwaddr;
735 eth->priv = ss;
736
737 if (asix_basic_reset(ss, dev_priv))
738 return 0;
739
740
741 if (asix_read_mac(ss, eth->enetaddr))
742 return 0;
743 debug("MAC %pM\n", eth->enetaddr);
744
745 return 1;
746}
747
748#else
749
750static int ax88179_eth_start(struct udevice *dev)
751{
752 struct asix_private *priv = dev_get_priv(dev);
753
754 return asix_init_common(&priv->ueth, priv);
755}
756
757void ax88179_eth_stop(struct udevice *dev)
758{
759 struct asix_private *priv = dev_get_priv(dev);
760 struct ueth_data *ueth = &priv->ueth;
761
762 debug("** %s()\n", __func__);
763
764 usb_ether_advance_rxbuf(ueth, -1);
765 priv->pkt_cnt = 0;
766 priv->pkt_data = NULL;
767 priv->pkt_hdr = NULL;
768}
769
770int ax88179_eth_send(struct udevice *dev, void *packet, int length)
771{
772 struct asix_private *priv = dev_get_priv(dev);
773
774 return asix_send_common(&priv->ueth, priv, packet, length);
775}
776
777int ax88179_eth_recv(struct udevice *dev, int flags, uchar **packetp)
778{
779 struct asix_private *priv = dev_get_priv(dev);
780 struct ueth_data *ueth = &priv->ueth;
781 int ret, len;
782 u16 pkt_len;
783
784
785 if (priv->pkt_cnt == 0) {
786 uint8_t *ptr;
787 u16 pkt_cnt;
788 u16 hdr_off;
789 u32 rx_hdr;
790
791 len = usb_ether_get_rx_bytes(ueth, &ptr);
792 debug("%s: first try, len=%d\n", __func__, len);
793 if (!len) {
794 if (!(flags & ETH_RECV_CHECK_DEVICE))
795 return -EAGAIN;
796
797 ret = usb_ether_receive(ueth, priv->rx_urb_size);
798 if (ret < 0)
799 return ret;
800
801 len = usb_ether_get_rx_bytes(ueth, &ptr);
802 debug("%s: second try, len=%d\n", __func__, len);
803 }
804
805 if (len < 4) {
806 usb_ether_advance_rxbuf(ueth, -1);
807 return -EMSGSIZE;
808 }
809
810 rx_hdr = *(u32 *)(ptr + len - 4);
811 le32_to_cpus(&rx_hdr);
812
813 pkt_cnt = (u16)rx_hdr;
814 if (pkt_cnt == 0) {
815 usb_ether_advance_rxbuf(ueth, -1);
816 return 0;
817 }
818
819 hdr_off = (u16)(rx_hdr >> 16);
820 if (hdr_off > len - 4) {
821 usb_ether_advance_rxbuf(ueth, -1);
822 return -EIO;
823 }
824
825 priv->pkt_cnt = pkt_cnt;
826 priv->pkt_data = ptr;
827 priv->pkt_hdr = (u32 *)(ptr + hdr_off);
828 debug("%s: %d packets received, pkt header at %d\n",
829 __func__, (int)priv->pkt_cnt, (int)hdr_off);
830 }
831
832 le32_to_cpus(priv->pkt_hdr);
833 pkt_len = (*priv->pkt_hdr >> 16) & 0x1fff;
834
835 *packetp = priv->pkt_data + 2;
836
837 priv->pkt_data += (pkt_len + 7) & 0xFFF8;
838 priv->pkt_cnt--;
839 priv->pkt_hdr++;
840
841 debug("%s: return packet of %d bytes (%d packets left)\n",
842 __func__, (int)pkt_len, priv->pkt_cnt);
843 return pkt_len;
844}
845
846static int ax88179_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
847{
848 struct asix_private *priv = dev_get_priv(dev);
849 struct ueth_data *ueth = &priv->ueth;
850
851 if (priv->pkt_cnt == 0)
852 usb_ether_advance_rxbuf(ueth, -1);
853
854 return 0;
855}
856
857int ax88179_write_hwaddr(struct udevice *dev)
858{
859 struct eth_pdata *pdata = dev_get_platdata(dev);
860 struct asix_private *priv = dev_get_priv(dev);
861 struct ueth_data *ueth = &priv->ueth;
862
863 return asix_write_mac(ueth, pdata->enetaddr);
864}
865
866static int ax88179_eth_probe(struct udevice *dev)
867{
868 struct eth_pdata *pdata = dev_get_platdata(dev);
869 struct asix_private *priv = dev_get_priv(dev);
870 struct usb_device *usb_dev;
871 int ret;
872
873 priv->flags = dev->driver_data;
874 ret = usb_ether_register(dev, &priv->ueth, AX_RX_URB_SIZE);
875 if (ret)
876 return ret;
877
878 usb_dev = priv->ueth.pusb_dev;
879 priv->maxpacketsize = usb_dev->epmaxpacketout[AX_ENDPOINT_OUT];
880
881
882 ret = asix_read_mac(&priv->ueth, pdata->enetaddr);
883 if (ret)
884 return ret;
885 debug("MAC %pM\n", pdata->enetaddr);
886
887 return 0;
888}
889
890static const struct eth_ops ax88179_eth_ops = {
891 .start = ax88179_eth_start,
892 .send = ax88179_eth_send,
893 .recv = ax88179_eth_recv,
894 .free_pkt = ax88179_free_pkt,
895 .stop = ax88179_eth_stop,
896 .write_hwaddr = ax88179_write_hwaddr,
897};
898
899U_BOOT_DRIVER(ax88179_eth) = {
900 .name = "ax88179_eth",
901 .id = UCLASS_ETH,
902 .probe = ax88179_eth_probe,
903 .ops = &ax88179_eth_ops,
904 .priv_auto_alloc_size = sizeof(struct asix_private),
905 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
906};
907
908static const struct usb_device_id ax88179_eth_id_table[] = {
909 { USB_DEVICE(0x0b95, 0x1790), .driver_info = FLAG_TYPE_AX88179 },
910 { USB_DEVICE(0x0b95, 0x178a), .driver_info = FLAG_TYPE_AX88178a },
911 { USB_DEVICE(0x2001, 0x4a00), .driver_info = FLAG_TYPE_DLINK_DUB1312 },
912 { USB_DEVICE(0x0df6, 0x0072), .driver_info = FLAG_TYPE_SITECOM },
913 { USB_DEVICE(0x04e8, 0xa100), .driver_info = FLAG_TYPE_SAMSUNG },
914 { USB_DEVICE(0x17ef, 0x304b), .driver_info = FLAG_TYPE_LENOVO },
915 { USB_DEVICE(0x04b4, 0x3610), .driver_info = FLAG_TYPE_GX3 },
916 { }
917};
918
919U_BOOT_USB_DEVICE(ax88179_eth, ax88179_eth_id_table);
920#endif
921
